RT Journal Article SR Electronic T1 Challenge of α1-antitrypsin deficiency diagnosis in primary care JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 899 OP 901 VO 62 IS 11 A1 Qian Ye A1 Anthony D. D’Urzo YR 2016 UL http://www.cfp.ca/content/62/11/899.abstract AB